gtn.dk

📜 Historical scan 2026-08-28 09:05:52 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

gtn.dk is a .dk domain served by 3 nameservers (ns1.e-studio.dk, ns2.e-studio.dk, ns3.e-studio.dk). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 195.242.131.2 is hosted by Christian Ebsen ApS (AS62121) in Denmark. Mail is handled by gtn-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

3 records 89ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.e-studio.dk	195.242.131.5 2001:67c:564:fffc::11	ns1.e-studio.dk ns1.e-studio.dk	AS62121 Christian Ebsen ApS AS62121 Christian Ebsen ApS
ns2.e-studio.dk	2a00:1b18:2:3::2 62.69.152.34	ns2.e-studio.dk ns2.e-studio.dk	AS47527 DLX A/S AS47527 DLX A/S
ns3.e-studio.dk	193.200.90.183 2001:67c:564:fffc::13	ns3.e-studio.dk ns3.e-studio.dk	AS62121 Christian Ebsen ApS AS62121 Christian Ebsen ApS

🌍 A Records#

1 records 50ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
195.242.131.2	14400s	web.e-studio.dk	AS62121	Christian Ebsen ApS	195.242.130.0/23	🇩🇰 Denmark	—

📧 MX Records#

1 records 40ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	14400s	gtn-dk.mail.protection.outlook.com	2a01:111:f403:ca04:: 2a01:111:f403:ca04::d 2a01:111:f403:ca09::4 2a01:111:f403:ca09::5 52.101.68.36 52.101.68.39 52.101.68.5 52.101.73.155	mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db6pr03cu00105.inbound.protection.outlook.com mail-am0pr04cu00504.inbound.protection.outlook.com mail-am1pr04cu00105.inbound.protection.outlook.com mail-db5pr02cu00104.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com mail-du2pr03cu00105.inbound.protection.outlook.com mail-am7pr02cu00203.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.8

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 168ms

TXT Record
v=spf1 include:spf.protection.outlook.com include:_spf.e-studio.dk -all

✉️ SPF#

Policy	Record (gtn.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:_spf.e-studio.dk -all

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-07 15:29:53

www CNAME	gtn.dk (all on gtn.dk) → 195.242.131.2 (AS62121)
www vs bare domain	Same network gtn.dk: 195.242.131.2 (AS62121) www.gtn.dk: 195.242.131.2 (AS62121)
Wildcard	No
Denial of existence	NSEC3 · 7 iterations · 8-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: -all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.gtn.dk	evz4OJQ6lShLQo4UTU-uv3AGY3yxafUdlYysCdEk6to

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

151ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

0ms

Field	Value
Serial	2026071201
Primary NS (MNAME)	ns1.e-studio.dk
Responsible (RNAME)	hostmaster@mailrelay.e-studio.dk
Refresh	3600s
Retry	1800s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

89ms

50ms

40ms

AAAA

53ms

TXT

168ms

CAA

65ms

HTTPS

87ms

TLSA

600ms

SOA

0ms

MTA-STS

93ms

DNSSEC

151ms

SRV

87ms

Total

1345ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-07 15:29:53	989ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-18 08:21:15	1620ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-06 22:24:02	929ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-28 09:05:52 shown	1345ms	3 NS 1 A 1 MX	🔒 Secure
2026-07-16 20:23:16	3617ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-22 07:55:58	1286ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-17 10:47:31	1488ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-17 10:38:40	987ms	3 NS 1 A 1 MX	🔒 Secure